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This research aims to develop Fe-based composite coatings that enhance wear resistance and self-lubrication for tunnel boring machines.

June 10, 2026LubricantsOpen Access

Laser Cladding Fabrication of Self-Lubricating High-Wear-Resistance Coatings: Microstructural Evolution and Wear Mechanisms

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This research aims to develop Fe-based composite coatings that enhance wear resistance and self-lubrication for tunnel boring machines.
Fabricated Fe-based composite coatings reinforced with WC and MoS2 through laser cladding.
Prepared seven coating compositions to analyze the effects of MoS2 content on microstructural evolution and tribological properties.
Conducted XPS, XRD, and SEM analyses to assess coating performance and mechanisms.
The 4 wt.% MoS2 coating showed the lowest average coefficient of friction at 0.409 and hardness of 749.5 HV1.
Wear mass loss remained consistently below 2.1 × 10−3 g under various rock-contact conditions.
Assessment indicated grain refinement and increased dislocation density contributed to improved wear resistance.

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Implication

Randomized trial evaluates wear resistance of self-lubricating coatings in tunnel boring machine disc cutters, suggesting improved durability under various conditions.

Cite This Study

He et al. (2026) studied this question.

synapsesocial.com/papers/6a28fe9f6f82f25be989be57 https://doi.org/10.3390/lubricants14060231

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Implication

Randomized trial evaluates wear resistance of self-lubricating coatings in tunnel boring machine disc cutters, suggesting improved durability under various conditions.

Laser Cladding Fabrication of Self-Lubricating High-Wear-Resistance Coatings: Microstructural Evolution and Wear Mechanisms

Key Points

Discussion

Implication

Cite This Study

Laser Cladding Fabrication of Self-Lubricating High-Wear-Resistance Coatings: Microstructural Evolution and Wear Mechanisms

Key Points

Discussion

Implication

Cite This Study

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